Unit Test — Cumulative exam Answers
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Which expression is equivalent to (4 + 6i)2?
A
–20 + 48iB
8 + 12iC
16 – 36iD
20 + 48i2
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What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations.
A
–24, –3, 12B
–12, 3, 24C
–4, –2, 3D
–3, 2, 43
Which function has a domain of and a range of ?
A
y = StartRoot x minus 5 EndRoot + 3
B
y = StartRoot x + 5 EndRoot minus 3
C
y = negative StartRoot x minus 5 EndRoot + 3
D
y = negative StartRoot x + 5 EndRoot minus 3
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